Minecraft Java 1.21 Mods
Browse 12,434 free mods for Minecraft Java 1.21 — popular picks include Spells & Sorcery, Cobbromon, PaleoPaintings.
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Spells & Sorcery
Datapack that adds Spellbooks, Alchemy, New Items, New Mobs, and even a New Boss!
Cobbromon
This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.
PaleoPaintings
A collection of paintings based on prehistoric creatures and landscapes in the style of Minecraft.
Wool makes string
Adds the ability to craft wool and carpet into string.
Area Light Up
Automatically places torches in dark areas to prevent mob spawning. Preview scan, survival inventory support, and grid-based placement for efficiency.
skeletons rearmed
skeletons with swords and wither skeletons with bows
Linked Inventory
Linked Inventory is a Paper 1.21.1+ plugin where the entire server shares one single global inventory. Also adds a custom Item Stealer Mob If any player dies, the shared inventory clears
Custom Sheep Breeding
Allows customization of sheep colors, both after spawning and breeding. Also has optional gameplay features.
Minecraft Story Mod
Add MCSM Head and Face emotional animations and more
Carry Mobs
Allows players to store and place back living mobs using inventory items.
Tweaky
A collection of 90+ lightweight, toggleable, configurable vanilla tweaks.
Wandering Villagers
Adds a random chance for villagers to spawn near players, similar to how Wandering Traders spawn.
Hopper Trading│漏斗交易
Use hoppers for auto trading.│使用漏斗來進行自動交易。
Garlic's Snails
This Minecraft mod adds small yet pesky Snails.
Adrenaline: Dawnlight Edition
A high-performance Fabric modpack built on Adrenaline/Additive's optimizations, with Fresh Animations for vibrant mob/player movements and a curated Iris shader selection—defaulting to no-shader "True Sight" for maximum speed on any hardware.
Halloween Storm
With a single command, enable ravageous tornadoes, ghasts invasion in the overworld, ghosts (new mob), Herobrine and forbidden forests. Compatible with worldgen datapacks!
SCP: Genesis
Add SCP's and more to Minecraft
1.13 – 1.21.x | kDrops ⚙️ Custom Mob Drops
Custom mob drops with config support and drop chances.
Trade Poisonous Potatoes for Emeralds
A mod that adds a chance to trade farmer villagers poisonous potatoes for emeralds and will instantly level up your novice villager
ShulkerFix
A fix to stop shulker bullets from breaking armor stands.
RandomMobSpawnerX
RandomMobSpawnerX is a datapack which spawns random mobs every 10 seconds! (EnderDragon excluded)
MetaCustomItemsLib
A library for BagOfGold and MobHunting | Rebuilt for 1.21!
Boss Update
This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)
Neutral Monsters: Better Peaceful
Hostile mobs are friendly - as long as you don't attack first.
New Potions & Effects+
This modification adds new effects to potions! For example, a detonation potion that explodes a player or creature at the end of the effect!
by SukaiiXb
by SukaiiXb is a dark cosmic CPvP pack floating in a deep purple nebula — pitch-black netherite, vivid teal diamond, and a universe-edge atmosphere built for competitive play. 🌌
NOVIK Horror Mod
Novik is a horror mod that truly instills fear. It also contains some joke content
Arda's Omega Golem
A terrifying, hostile titan built for destruction. Survive the Omega Golem—it's not here to protect you.
Mob Swords
This Datapack adds 20 New Mob Based Swords to the game
Goat Horn Summoning
Reworks the Goat horn into a summoning/support role
Mobmanity
A minecraft datapack that makes mobs behave like different types of players. Mobs can use and spawn in with whole variation of vanilla items that they use in unique ways to attack you. Mobs can also spawn with behavior making every fight fully different!
CraftGlow Creaking Totem
CraftGlow Creaking Totem replaces the Totem of Undying with a custom Creaking texture, bringing the eerie woodland mob to your hands.
Moon Spire
月尖塔为Minecraft添加了卡牌对战元素，允许你使用卡牌来挑战生物！Moon Spire adds card battle elements to Minecraft, allowing you to use cards to challenge creatures!
Easy Freezing
A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!
Mob Duplicate
Mob will duplicate when you hit them!
Oceanlife
This project adds new Fish variants such as a shark that can attack you.